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[host] dxgi: add nanosecond-scale sleep capability to d3d12

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The nsleep() call lets d3d12 sleep for a more precise amount of
time while maintaining the current millisecond-scale sleep
interface in the configuration file.
This commit is contained in:
vmfortress 2022-03-05 23:26:56 -05:00 committed by Geoffrey McRae
parent 48cf099638
commit 36f97f08ad
2 changed files with 6 additions and 5 deletions
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9
host/platform/Windows/capture/DXGI/src/d3d12.c
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@ -23,6 +23,7 @@
#include <assert.h> #include <assert.h>
#include <d3d12.h> #include <d3d12.h>
#include <d3d12sdklayers.h> #include <d3d12sdklayers.h>
#include "common/time.h"
#include "common/debug.h" #include "common/debug.h"
#include "common/option.h" #include "common/option.h"
#include "common/windebug.h" #include "common/windebug.h"
@ -44,7 +45,7 @@ struct D3D12Texture
struct D3D12Backend struct D3D12Backend
{ {
int copySleep; float copySleep;
ID3D12Device * device; ID3D12Device * device;
ID3D12InfoQueue1 * debugInfoQueue; ID3D12InfoQueue1 * debugInfoQueue;
ID3D12CommandQueue * commandQueue; ID3D12CommandQueue * commandQueue;
@ -120,8 +121,8 @@ static bool d3d12_create(struct DXGIInterface * intf)
return false; return false;
} }
this->copySleep = option_get_int("dxgi", "d3d12CopySleep"); this->copySleep = option_get_float("dxgi", "d3d12CopySleep");
DEBUG_INFO("Sleep before copy : %d ms", this->copySleep); DEBUG_INFO("Sleep before copy : %f ms", this->copySleep);
status = D3D12CreateDevice((IUnknown *) dxgi->adapter, D3D_FEATURE_LEVEL_11_0, status = D3D12CreateDevice((IUnknown *) dxgi->adapter, D3D_FEATURE_LEVEL_11_0,
&IID_ID3D12Device, (void **)&this->device); &IID_ID3D12Device, (void **)&this->device);
@ -346,7 +347,7 @@ static bool d3d12_copyFrame(Texture * parent, ID3D11Texture2D * src)
HRESULT status; HRESULT status;
if (this->copySleep > 0) if (this->copySleep > 0)
Sleep(this->copySleep); nsleep((uint64_t)(this->copySleep * 1000000));
HANDLE handle = INVALID_HANDLE_VALUE; HANDLE handle = INVALID_HANDLE_VALUE;

2
host/platform/Windows/capture/DXGI/src/dxgi.c
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@ -130,7 +130,7 @@ static void dxgi_initOptions(void)
.module = "dxgi", .module = "dxgi",
.name = "d3d12CopySleep", .name = "d3d12CopySleep",
.description = "Milliseconds to sleep before copying frame with d3d12", .description = "Milliseconds to sleep before copying frame with d3d12",
.type = OPTION_TYPE_INT, .type = OPTION_TYPE_FLOAT,
.value.x_int = 5 .value.x_int = 5
}, },
{ {